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Replicated.subarrays with taper
If you want to apply taper on the entire aperture, it might be easier to use the phased.PartitionedArray interface. You can then...

7 years ago | 0

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The sequence to call beamforming and receiver ?
In Phased Array System Toolbox, receiver models thermal noise at the receiving elements so beamformer should happen afterwards. ...

7 years ago | 0

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I want to learn the phased array antenna with Matlab
I would start with the following page https://www.mathworks.com/academia/student_version.html HTH

7 years ago | 0

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Linear 45 degrees polarized antenna element
In R2018b, there is no easy way to specify a 45-degree short dipole. The easier way to achieve that is probably combine the fiel...

7 years ago | 0

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[Phased Array Toolbox] Modelling an unmodulated continuous wave radar
A radar system is probably modulated. Since the modeling is done in baseband, for a single frequency continuous wave, that will ...

7 years ago | 0

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Do I need a receiver channel when I using ULA?
The receiver also models the thermal noise in the receiver. If you need to include that effect, then you should not skip the rec...

7 years ago | 0

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How to use Signal Analyzer App inside of a script
Signal analyzer is capable of generating MATLAB script so you can run the script to accomplish what you did in the app. Maybe th...

7 years ago | 0

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Plot RangeAngleResponse of ACC Example
It looks like you are using the first part of your code to generate xr and then the second part to do range-angle processing? If...

7 years ago | 0

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parameters for backscatterRadarTarget and its target
For question 1, the answer is no. However, the RCS pattern is only defined within the range specified by azpatangs and elpatangs...

7 years ago | 1

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Why do "corr(x,y)" and "xcorr(x,y)" give different answers when x and y are simulated discrete samples of radar signals of form a*e^ib, with partially correlated randomized b values?
It would be helpful if you could provide a script showcasing the difference and explain why you think the two should be the same...

7 years ago | 3

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Answered
can i discretise a transfer function in "butter" toolbox Matlab?
Could you explain what you mean by discreization? Using your syntax, the output of butter is already a digital filter so I don't...

7 years ago | 0

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Answered
Duty cycle setting in phased.LinearFMWaveform
It will be helpful to show how you generated that plot. The duty cycle does not indicate how many pulses are there, it only sp...

7 years ago | 0

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How to add noise to RangeAngleResponse in phased.array toolbox?
Here are my answers: The noise should be added in the raw signal. Normally the noise is not added on the range-Doppler response...

7 years ago | 1

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How to create a steering vector toward specify DOA?
Looks like you are trying to simulate the received signal? Yes it can be done, but you haven't provide any info about the array ...

7 years ago | 0

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Why do signals differ in fdesign.fracdelay and dsp.VariableFractionalDelay?
Your dsp.VariableFractionalDelay is actually order 4. If you do vfd = dsp.VariableFractionalDelay('InterpolationMethod', 'Farro...

7 years ago | 1

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Where is the matlab code that outputs "RangeDopplerExampleData" in online Documentation: phased.RangeDopplerResponse System object; example "Range-Doppler Response of Pulsed Radar Signal Using Matched Filter" ?
That code is not available in the product. However, the example text does describe the setup of the simulation scene. With that ...

7 years ago | 0

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Answered
How can I compute all the possible differences of the vectors in a matrix?
If you have Statistics Toolbox, you can try idx = flipud(combnk(1:4,2)) A(idx(:,1),:)-A(idx(:,2),:) HTH

7 years ago | 0

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Execute matrix in a "for loop"
Let's say your function is foo, you can do for ii = 1:size(m,2) y = foo(m(:,ii)); end HTH

7 years ago | 0

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Answered
Composite System Object for Code Generation or use in Simulink
If you don't intend to change your Taps during the simulation, you may want to consider setting it as Nontunable, like prop...

7 years ago | 0

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How to plot multiple filter response on the same filter visualizer?
To get XData and YData of phase noise visualization, you can do the following pn = comm.PhaseNoise; h = visualize(pn); x = h....

7 years ago | 0

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Filtering array of custom objects
You can probably try idx = arrayfun(@(x)strcmp(x.name,'foo'),stages); stages(idx); HTH

7 years ago | 1

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How to interpret this PSD plot?
You may want to do a detrend in your signal to get rid of the peak at DC, like pwelch(detrend(signal),[],nSamples/2,nSamples,sa...

7 years ago | 0

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How to plot multiple filter response on the same filter visualizer?
How do you describe your filter? The following example plots two filter responses in one figure and you should be able to do sim...

7 years ago | 0

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Problem in 3D plot of clutter,jammer and target of radar
It seems that the jammer is along the a single angle. You have not provided any info regarding the clutter so I have no idea wha...

7 years ago | 1

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cross-correlation of two signal always shows unexpected 0 lag
You may want to try [r,lag] = xcorr(b-mean(b),c-mean(c),'coeff'); HTH

7 years ago | 2

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What is the meaning of 'operatingFrequency' parameter for SubbandMVDRbeamforming in the context when input signal is not modulated?
Currently SubbandMVDRBeamformer assumes the signal is modulated so it performs narrowband MVDR in each subband. If the signal is...

7 years ago | 0

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Sound Source detection with DOA Estimation, Using audio BIN files of real time drone flying activity
There is an example using GCC-PHAT algorithm in Phased Array System Toolbox, you can find it at https://www.mathworks.com/help/...

7 years ago | 0

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Designing a filter from magnitude response plot
The following page is a good starting point for your task. https://www.mathworks.com/help/dsp/examples/arbitrary-magnitude-filt...

7 years ago | 0

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How to check the state response and output response of a state space model
Here are some examples of exploring responses of a linear system <https://www.mathworks.com/help/control/examples/plotting-sy...

7 years ago | 0

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Beamforming for DOA estimation
There are several examples on this topic using Phased Array System Toolbox here <https://www.mathworks.com/help/phased/exampl...

7 years ago | 0

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